Adjustable Strap: Adjustable buckle strap suits for 15.5-27cm (6.1-10.6 inch) wrist in circumference, the perfect tool for men and women to sport time.

【 BUILT-IN USB PLUG 】 Fitness Tracker easy to charge with any USB block and computer; no charging cable and dock needed; one single charge gives you up to 7-10 days of working time.

【 EASY CONNECT 】 Once connected with app, activity tracker will vibrate and display the message content so that you will not miss important messages and calls When a mobile phone has an incoming call and a text message.

【 MULTI-SPORT MODES & IP67 WATERPROOF 】 The fit watch are made from highly clear resin material and sealed with the case by high-frequency machine. Daily waterproof allows for wearing even when swimming or taking a bath. NOTE: Please DO NOT press any buttons in the water or wear this watch for longtime underwater activities.

【 12 MONTHS WARRANTY 】 Unconditional 1-month warranty on this fit tracker. Our Service Center will do our best to make you satisfied.